2,2'-((1,4-Phenylenebis(azanylylidene))bis(methanylylidene))diphenol CAS 5344-68-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5344-68-3 |
| Molecular Formula | C20H16N2O2 |
| Molecular Weight | 316.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,2'-((1,4-Phenylenebis(azanylylidene))bis(methanylylidene))diphenol (CAS 5344-68-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H16N2O2. Molecular weight: 316.35 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H16N2O2 |
| Molecular Weight | 316.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
Related Phenylenebis Standards
- 2,2′-[1,4-Phenylenebis(methylidynenitrilo)]bis[phenol] (CAS 13060-68-9)
- 4,4'-(1,3-Phenylenebis(oxy))dibenzonitrile (CAS 31206-12-9)
- 6,6'-(1,4-Phenylenebis(oxy))bis(hexan-1-ol) (CAS 154876-99-0)
- 1,3-Phenylenebis((4-fluorophenyl)methanone) (CAS 108464-88-6)
- 3,3'-(1,4-Phenylenebis(dimethylsilanediyl))bis(propan-1-amine) (CAS 20152-18-5)
- 4,4'-(1,4-Phenylenebis(ethyne-2,1-diyl))dianiline (CAS 246141-52-6)
- 912852-16-5 4,4'-[1,3-Phenylenebis(oxy)]di(cyclohexa-1,3-dien-1-amine) DTXSID30699643 (CAS 912852-16-5)
- 4,4'-(1,4-Phenylenebis(sulfanediyl))dianiline (CAS 17619-11-3)
Recommended Standards
- 2-(tert-Butoxycarbonyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-6-carboxylic acid (CAS 300716-00-1)
- 2,2'-(Ethane-1,2-diyl)bis(quinolin-8-ol) (CAS 249614-38-8)
- 2-(tert-Butoxycarbonyl)-2,3,4,5-tetrahydro-1h-pyrido[4,3-b]indole-8-carboxylicacid (CAS 300715-96-2)
- 3-(Aminomethyl)-5-nitrophenol (CAS 1261852-63-4)
- 2-Hydroxy-6-phenethyl-benzoic acid methyl ester (CAS 365542-21-8)
- 2-(4-Ethylphenoxy)ethan-1-amine hydrochloride (CAS 1134361-67-3)
- N,N-Dimethyl-3-((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)oxy)propan-1-amine (CAS 1346697-33-3)
- 4-Fluoro-N-(pyrimidin-5-ylmethyl)aniline (CAS 1339776-07-6)
- 4'-Fluoro-3'-methoxy-[1,1'-biphenyl]-4-ol (CAS 64465-63-0)
- [3-31]-Semaglutide D (Sodium salt) (CAS CATO-C4X-2226119)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com